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Add 84/72 and 80/60

1st number: 1 12/72, 2nd number: 1 20/60

84/72 + 80/60 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 60 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
    80/60 = 80 × 6/60 × 6 = 480/360
  4. Add the two like fractions:
    420/360 + 480/360 = 420 + 480/360 = 900/360
  5. 900/360 simplified gives 5/2
  6. So, 84/72 + 80/60 = 5/2
    In mixed form: 21/2

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